True 2 km flight

True 2 kilometers flight. Personal best. Equipment: Turnigy 9x with frsky and 7dbi patch antenna. Fatshark attitude sd with stock transmitter(250 mw) with bevrc cloverleaf. Pixim seawolf 690 tvl camera. Nova OSD as telemetry. TBS Discovery with upgraded motors(tiger motors mt 2216 with 9x5 graupner prop) 3s 3300 mah battery. Dji Naza flight controller with GPS